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Spiral Review (DA, Solving Equations, Rearranging, Outliers)

Quiz by Portia Billings

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5 questions
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  • Q1
    How many hours are in a year? (Hint: 365 days = 1 year)
    525,600 hrs
    8670 hrs
    8760 hrs
    120s
  • Q2
    Solve the equation for m. 7m - 4n = 8
    m = (8 - 4n)/7
    m = 8/7 + 4n
    m = (8 + 4n)/7
    60s
  • Q3
    Identify the outlier for the given data? 23, 34, 27, 7, 30, 26, 28, 31, 34
    26
    7
    34
    31
    30s
  • Q4
    Kendal bought x boxes of cookies to bring to a party. Each box contains 12 cookies. She decides to keep two boxes for herself. She brings 60 cookies to the party. Which equation can be used to find the number of boxes, x, Kendal bought?
    2x - 12 = 60
    24 - 12x = 60
    12x - 24 = 60
    12x - 2 = 60
    60s
  • Q5
    Solve the system of equations using substitution. y = 2x + 3 y = 3x + 1
    (–2, –1)
    (–2, –5)
    (–1, –2)
    (2, 7)
    120s

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